I see in the geoserver admin page that there are three difference methods for Raster Rendering (bilinear, bicubic and nearest neighbour).
Loading my WMS layers using openlayers and then zooming and ...

I need offline maps to be included in the application I am developing. I decided to use marble https :// marble.kde.org/
to do this. Marble uses openstreetmap tileserver (among others).
What I need ...

I wrote a script to create a big number of heatmaps for a given scenario. I would like to save the result of every heatmap as a png image. I have figuered it out doing it with simple Map Rendering but ...

I am implementing a C++ application to generate DEMs from LAS files, and I want to show a 3D visualization of the DEM (show the terrain model, height differences using colors, contour curves...)
Is ...

I have been struggling with setting the colorshadingalgorithm for a raster layer in QGIS with no success for the past few days. The QGIS cookbook seems to be pretty outdated.
Anyways, the code that I ...

I have two shapefile layers in a Qgis project that have problems with zooming. One is a line I copied/pasted in a new layer from a set of height contours and the other one is a polygon layer I created ...

We built an OSM Tile Server following the instructions at
http://switch2osm.org/serving-tiles/building-a-tile-server-from-packages/
The Ubuntu OS and the Tile server database are on a 1 TB SSD which ...

I would like to be able to trigger rerendering of a single feature after a user has clicked on it. (I can catch the click and update the metadata that feeds the styling function, but I am then forced ...

can someone please explain me what's happend in the picture below or how i can debug what's going wrong? I downloaded some .osm.pbf files imported the files via osm2pgsql into a postgis database and ...

I'm using this open source project to manage my cadastral maps and show them on a win32 C sharp application.
https://code.google.com/p/cumberland/
I managed to draw the map on a picturebox, panning ...

I published a polygon shape file with default polygon sld , while in preview when I click on feature it shows the error rendering process failed null.Please explain what is this error, what i have yo ...

I am using Mod Tile, Renderd and Mapnik to creat a Tile Server.
My question here is, does mod_tile have specific limits for the cache size? If yes, where can it be configured. And what mechanism it ...

QGIS always renders the borders of a feature polygon. How can I disable this?
Even if I set Border style to "No Pen" and the colour is exactly the same for different categories there is a small grey ...

GIS Newbie question, perhaps:
But I am looking to place an Open Street Maps/Google Maps layer underneath the rest of my shapefiles for referencing purposes.
Let's say for instance, that I am looking ...

I have used the latest addition to Mapnik PGRaster plugin (https://github.com/mapnik/mapnik/tree/2.3.x) by Strk(https://github.com/strk/mapnik/tree/2.3.x-pgraster) and merged recently.
I am able to ...

Using QGIS 2.4.0 on Windows 7 Service pack 1. I have several .shp's, all polygons, that give me the following problem: 293 features are listed in the metadata and shown in the attribute table but the ...

I've overlaid a huge GeoJSON geometry on top of my Leaflet map, covering about 20 countries' borderlines (about 1,5 million vertices) using "L.geoJson".
Each time I zoom in/out, the computer has to ...

We are working on an android application which load vector features from the server and render(with labeling) them in the client.
Since there maybe a lot of features in a single viewport, so the map ...

I wanted to render png tiles (like form tile server of osm). I made postGIS db, succesfully run TileMill with OSMBright style. I read that I need now export mapnik xml from TileMill. I checked Mapnik ...

I would like to ask for advice on creating a Python script that will provide the opportunity to render a plenty of similar maps (with the same extent, projection, layout, color scheme and composition, ...

I'm running a geoprocessing task in my webapplication.
When the task generated some results i destroy an existing legend and build up a new one that shows the legend for the resulting layers.
That is ...

I have 2 layers. One with forests and lakes (polygon) and one with rivers (line). Now I want the features to draw in that order:
The river have to be UNDER the LAKES and the forest have to be UNDER ...